<template>
  <div>
    <TypeNav/>
    <div class="main">
      <div class="py-container">
        <!--bread，全部结果手机iphone×华为×OPPO等等，面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a>全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!--            分类的面包屑-->
            <li class="with-x" v-if="searchParams.categoryName">{{ searchParams.categoryName }}<i
                @click="removeCategoryName">×</i></li>
            <!--            关键字的面包屑-->
            <li class="with-x" v-if="searchParams.keyword">{{ searchParams.keyword }}<i
                @click="removeKeyword">×</i></li>
            <!--            品牌的面包屑-->
            <li class="with-x" v-if="searchParams.trademark">{{ searchParams.trademark.split(':')[1] }}<i
                @click="removeTrademark">×</i></li>
            <!--            平台售卖属性的面包屑-->
            <li class="with-x" v-for="(attr,index) in searchParams.props" :key="index">{{ attr.split(':')[1] }}<i
                @click="removeAttr(attr)">×</i></li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo"/>
        <!--        子父传递数据用自定义事件-->

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <!--            排序-->
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active:isOne}" @click="changeOrder('1')">
                  <a>综合<span v-if="isOne" class="iconfont"
                             :class="{'icon-long-arrow-down':!isAsc, 'icon-long-arrow-up':isAsc}"></span></a>
                </li>
                <li :class="{active:isTwo}" @click="changeOrder('2')">
                  <a>价格<span v-if="isTwo" class="iconfont"
                             :class="{'icon-long-arrow-down':!isAsc, 'icon-long-arrow-up':isAsc}"></span></a>
                </li>
              </ul>
            </div>
          </div>
          <!--          展示商品列表-->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${good.id}`"><img v-lazy="good.defaultImg"/></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i> {{ good.price }}.00</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <router-link :to="`/detail/${good.id}`" :title="good.title">{{ good.title }}</router-link>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="javascript:void(0)" class="sui-btn btn-bordered btn-danger" @click="addShopCart(good.id)">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!--          分页器-->
          <pagination :page-no="searchParams.pageNo"
                      :page-size="searchParams.pageSize"
                      :total="searchInfo.total"
                      :continues="5"
                      @getPageNo="getPageNo"
          ></pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from './SearchSelector'
import {mapState, mapGetters} from "vuex";

export default {
  // eslint-disable-next-line vue/multi-word-component-names
  name: 'Search',
  components: {
    SearchSelector
  },
  data() {
    return {
      searchParams: {
        //详情请看doc文档
        category1Id: "",//1级分类的id
        category2Id: "",//2级分类的id
        category3Id: "",//3级分类的id
        categoryName: "",//类别名称
        keyword: "",//搜索的关键字
        order: "1:desc",//排序，初始状态为：综合，降序
        pageNo: 1,//分页器用，代表第几页
        pageSize: 10,//分页器用，代表每一页是多少数据
        props: [],//售卖属性。如：内存4g，存储128g
        trademark: ""//品牌
      }
    }
  },
  beforeMount() {
    //先构造好参数，再传递给服务器
    Object.assign(this.searchParams, this.$route.query, this.$route.params)//ES6新增语法，可以合并对象
  },
  mounted() {
    this.getSearchInfo()
  },
  computed: {
    ...mapState('search', ['searchInfo']),
    ...mapGetters('search', ['goodsList']),
    ...mapGetters('detail', ['skuInfo']),
    isOne() {
      return this.searchParams.order.indexOf('1') !== -1
    },
    isTwo() {
      return this.searchParams.order.indexOf('2') !== -1
    },
    isAsc() {
      return this.searchParams.order.indexOf('asc') !== -1
    }
  },
  methods: {
    //向服务器发送请求获取search的数据
    getSearchInfo() {
      this.$store.dispatch('search/getSearchInfo', this.searchParams)
    },
    removeCategoryName() {
      //删除分类名字，并且再次发送一次请求
      this.searchParams.categoryName = undefined
      //需要清空上次残留的参数。优化性能。（少带一点参数）
      this.searchParams.category1Id = undefined
      this.searchParams.category2Id = undefined
      this.searchParams.category3Id = undefined
      //修改地址栏，但是要带上不会被删掉的params参数（搜索的关键字）
      let params = {}
      if (this.$route.params) {
        params = this.$route.params
      }
      this.$router.push({name: 'search', params: params})
    },
    removeKeyword() {
      //删除关键字，并且再次发送一次请求
      this.searchParams.keyword = undefined
      //清除Search框中的关键字
      this.$bus.$emit('clearKeyword')
      //修改地址栏，但是要带上不会被删掉的params参数（搜索的关键字）
      let query = {}
      if (this.$route.query) {
        query = this.$route.query
      }
      this.$router.push({name: 'search', query: query})
    },
    removeTrademark() {
      //删除trademark
      this.searchParams.trademark = undefined
      this.getSearchInfo()
    },
    removeAttr(attr) {
      //删除平台售卖属性
      let index = this.searchParams.props.indexOf(attr)
      this.searchParams.props.splice(index, 1)//从index开始，删掉1个数据
      this.getSearchInfo()
    },
    trademarkInfo(trademark) {
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`
      this.getSearchInfo()
    },
    attrInfo(attrId, attrValue, attrName) {
      //首先要判断是否重复
      let attr = `${attrId}:${attrValue}:${attrName}`
      if (this.searchParams.props.indexOf(attr) === -1) {
        //不在数组中，才加入
        this.searchParams.props.push(attr)//应该使用push，因为数据类型为数组
        this.getSearchInfo()
      }
    },
    changeOrder(buttonId) {
      let originOrder = this.searchParams.order.split(':')
      let order = ''
      if (originOrder[0] === buttonId) {
        //点击的是本按钮，则切换升序/降序
        if (originOrder[1] === 'asc') {
          order = 'desc'
        } else {
          order = 'asc'
        }
      } else {
        order = 'desc'
      }
      this.searchParams.order = `${buttonId}:${order}`
      this.getSearchInfo()
    },
    getPageNo(pageNo) {
      this.searchParams.pageNo = pageNo
      //再次发送请求
      this.getSearchInfo()
    },
    async addShopCart(skuId) {
      //1.发送请求
      try {
        await this.$store.dispatch('detail/addOrUpdateShopCart', {
          skuId: skuId,
          skuNum: 1
        })
        //由于传递的数据比较复杂，通过会话存储进行传递
        await this.$store.dispatch('detail/getDetailInfo', skuId)
        await sessionStorage.setItem('SKUINFO', JSON.stringify(this.skuInfo))
        //2.请求成功：跳转页面
        await this.$router.push({
          name: 'addCartSuccess',
          query: {skuNum: 1}
        })
      } catch (error) {
        //3.请求失败：提示
        alert(error.message)
      }
    }
  },
  watch: {
    $route() {
      //监听路由信息是否发生变化
      //再次整理参数
      Object.assign(this.searchParams, this.$route.query, this.$route.params)
      this.getSearchInfo()
      //需要清空上次残留的参数
      this.searchParams.category1Id = undefined
      this.searchParams.category2Id = undefined
      this.searchParams.category3Id = undefined
    }
  },

}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>